The BMW S85 engine is built with ten throttles bodies, one for each cylinder. Dinan takes each one of these stock throttle bodies and carefully bores them to a larger internal diameter, enabling each cylinder to breathe more efficiently. This increased efficiency translates into increased power output and improved throttle response. Stage 2 Engine Software is highly recommended for optimum performance and drivability.
Features:
- More Power: + 13 HP @ 8100 RPM, + 8 LB-FT @ 8100 RPM (coupled w/ engine software)
- Improved throttle response
- Bored 2mm larger for a 8% increase in air flow area